The PS group successfully organized a symposium on the "Theoretical and practical aspects of large-scale wireless sensor networks" as a part of the 5th IEEE International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP) held in Melbourne, Australia from 7th to 10th December 2009. The symposium attracted 62 submissions of which 17 papers were accepted.

On 4 December 2009, Peter Koerhuis, who graduated in July from Pervasive Systems ended in the top 3 of the ENIAC scriptieprijs for his MSc thesis "A Smart Camera Platform for Smart Signs - Visual Tag Recognition Using Computer Vision".